Printing-press.



G. HAETMAN.

PRINTING PRESS.

APPLICATION FILED SEPT. 15, 1905.

Patented June 8,1909.

2 SHEETS-SHEET 1.

' G. HARTMAN.

PRINTING PRESS. APPLIOATiON PILED SEPT. 15, 1905.

Patented June 8,1909,

2 sHEETS-SHBET 2.

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PRINTING-PRESS.

Specification of Letters Patent.

Patented June 8, 1909.

Application filed September 15, i905. Serial No. 278,641.

N, which feed the blanks thence to the. shelf,

1 segments ol- 8. cylinder, b, I).

per bags, etc, in the course of their unmu 9.0-

ture.

The object of my invention is a printing press of this character in which the printing rolls may be brought readily into )osition to bear againstand to be in gear with the. pressure cylinder, or may be removed as readily therefrom to permit the blanks possingonward without being printed and mto which blanks of various sizes may be fed to the rinting rolls either automatically or by mud. This object is attained by the means described in the specification and illustrated in the accompanying drawings, in which,

Figure l is a side elevation of a printing press embodying my invention, the parts be.- ing shown in position; the dotted lines to the right ofthe ligure showing the position of the printing rolls when not in contact with the. pressure cylinder mid the dotted lines at the top of the figure showing the rolls for completing the blank. press embodying my invention, the printing rolls being shown removed out-of contact with the pressure. cylinder. Fig. 3 a detail side elevation of the pressure cylinder, and of the lever for opening the linger which grasps the blanks and holds them to the pressure cylinder. Fig. 4 is aside elevation of the ail--- justable rolls for feeding blanks ol various sizes to the pressure cylinder.

Referring to the parts: Mounted upon lon gitudinai ways, A, is a carriage, B, in which is jourualed four sets of rolls, I), b; If, 1)"; I)" b; b, I1 a shell. I)", a feed roll, I), and a lever, b (.nrriage, B, may be. reciproi'ated upon ways, A, by means of a. pinion, I), mounted upon a crank shaft journaled in the carriage and carrying a crank, I)", and meshing with a horizontal rack, (1,, carried by the ways. The carriage may be reci )roc-ated upon the. ways by turning the cinnli, b. A paper tube is fed forward by rolls, 1) b, to rolls, o b, which sever the tube into blanks, which pass through rolls, N, If, wl'iiehcrimp the rear, end ot the blank, to tho ad ustable rolls, 1)", the s ialt, c-, being held by a spring, 0, nor- 1.10

I), to be carried forward to the pressure cylinder.

Rolls, 1)" N, are made adjust-able for feeding blanks of various sizes in the. following manner-Jinch roll, I) b, is made on of two eginent, b", is attached to a hub, I), by radial. arms, I), and is secured in any position upon the shaft, 71", by means of a set-screw passin through the hub. Segment, 1), is attached by similar arms to a similar hub to be secured similarly in position bya set-screw upon shaft, 1)". Segment, b", has a recess, b,

in it, and segment, I), has a tongue, b, of a width equal to that of the recess, b", so that the tongue may be pro ected into the recess, b v

The speed with which the paper tube is i fed forward by rolls, 6 b, is uniform. out various lengths of blanks from the tube,

the speed o'i' rotation of the knives, b b, is v ivaried by suitable gearing, (not shown}.

Fig. 2 is aplan view of the E a. shaft, 0, iournalod in standards, a,

It is desirable that the rolls, 1) 5 should cease to contact the blank before the rear 8 crimped ends pass. through them, in order that the rolls may not flatten the crimping. To this end, when short blanks are being out,

the segments I) b, are brought closely to ro ectmg into gether with the tongue, I), the recess, 6. When long b anks are being used, the suii'ace of the rolls is expanded by drawing the segments, b b, apart.

Lever, b, is mounted in the carriage, B,

above the shelf, b", and carries at one end a.

3 ed to content the end of the. lever, b, to

raise the roll, I), out of contact with the roll, I), just alter the finger, c, has eontected the lever, b", and opened the finger, c, to grasp the end of the blank. The earn,

0, holdstho rolls, l)"'l) out of contact with each other until the linger, c,'has can ried the. blank beyond thorn,

is mounted upon The. pressure cylinder, 0,

upon ways. A, and may be driven by proper gearing with a driving shalt, (not shownl. Prl "sure cylinder, C, has a spring finger, c", projecting through its peri ihery, and mount ed u on shaft, c, carried by the cylinder,

ma'lly in position to hold the spring linger, c, in contact with the periphery ol' the cylinder, C. Shaft, carries at its'outer ends fingers, c, which are to be contacted by le- 5 ver, 7), to open the finger, c, to grasp a blank. Pressure cylinder, C, has two bolts, 0 to carry the blank forward to the folding rolls, which may be of a character such as showi'i in my pending ap )lieation for pa-- leper bag machines, Serial number 271.576. After the pressure cylinder has coiweyed a blank past the, printing rolls, a fixed stud, mounted upon the frame diametrically opposite the pawl, If, (but not shownl contacts finger, c; to open the gripper, c, to re lease the blank. Shaft, c, has adjacent to the standards, a, two gear wheels, E, which mesh with pinions,- e, c, secured upon stud shafts, e 0", which are journaled in the standards, a. and carry pinions, ",(5, upon their outer ends.

Mounted u on ways, A, is a second car riage, F, whici may be reciprocated upon the wzys by means of a pinion, a crank and a rack similarly to the carriage, B. Carriage, F, has enlarged. pinions,f,f, journaled upon stud shafts, f f upon the front end of the carriage. J ournaled likewise in the carriage,

F, are four horizontal shafts, f 1"", f, f

which carry the printing rolls, F. Each shaft,f -f carries at its outer ends pinions, f f f and f, which are in mesh with gear wheels, f,. By reciprocation of the crank, f, the carriage, F, may be moved forward so that pinions, f, f, mesh with pinions, 6', c and the printing rolls are brought into contact with the pressure cylinder, C. In this position, the rotation of the pressure cylinder is conveyed by means of the gear wheels, E, and the, pinions, e, e, e, e, and the gear wheels, f, f, to the sl'1ai't-s,j"--f -carrying the printing rolls. It is seen that suitable, inking apparatus may be mounted in the carriage, F, for inkin the printing rolls, in the usual manner.

t is seen that when it is desired to pass the blanks through the machine unprinted, the carriage, F, may be moved away from the pressure cylinder by the reciprocation of the crank, f When the printing rolls, F, are carried away from the pressure cylinder, as

shown in Fig. 2, it is seen that the printing plates may be attached to them very readily, whereas, this process of attaching plates to the printing rolls in machines wl'lerein the rolls cannot be moved from the pressure cylinder, is a tedious one. Should it be found that the plates are not putting the printing on the desired part of the blank, viz., that they are printing too high or too low on the blank, this is easily remedied. by moving the rolls out of contact with the pressure cylinder and giving them an independent rotation in one direction or another so that the priming is done upon the blank either at an earlier or later period during its passage over the pressure cylinder.

What I claim is: l. in a printing press the combination of a pressure cylinder, gear wheels varried by the cylinder, a movable carriage, printing rolls mounted in the carriage, pinions carried by the printing rolls, gear wheels mounted in the carriage and meshing with the pinions ol' the printing rolls, means of putting the gear wheels of the cylinder into gear with the gear wheels of the carriage, and a means for moving the carriage to bring the gear wheels of the carriage either into or out ol gear with the gear wheels of the pressure cylinder simultaneously with bringing the printing rolls either into or out of contact with the pressure cylinder.

2. In a printing press the combination of a iixed frame, a pressure cylinder mounted in y the iixed l'rume, gear wheels mounted upon the shaft of the pressure cylinder, pinions journaled in the iixcd frame and meshing with the gear wheels of the pressure cylinder, :1 n'iovable carriage, printing rolls mounted in the carria e, pinions upon he shafts of the printing rol s, gear wheels journalml in the movable carriage and intermeshing with the pinions upon the printing rolls and adapted to engage the pinions upon the fixed frame when the printing rolls contact the pressure cylinder.

GEORGE IIARJM AN. Witnesses:

WALTER 1 MURRAY, AeNns MoUonMAoK. 

